tlmič hluku pre štvorhr. potrubie
Číslo položky: 5073
Tlmič hluku pre štvorhranné potrubie
Tlmič sa inštaluje ihneď za alebo pred ventilátory KE, KT, RS a RSI. Účinne tlmí hluk prenášaný potrubím. Ak je potrebné tlmiť hluk v potrubí a aj do okolia, mal by sa tlmič používať spoločne s izolovaným typom ventilátora.
Rozmery a hmotnosti | ||
---|---|---|
Rozmer potrubia, sanie (výška x šírka) | 350 x 600 | mm |
Rozmer potrubia, výtlak (výška x šírka) | 350 x 600 | mm |
Hmotnosť | 21,3 | kg |
Ostatné | ||
---|---|---|
Typ potrubného pripojenia | Štvorhranný |
. |
Front area m2 |
P |
LDR 30-15 | 0.045 | 3.5 |
LDR 40-20 |
0.08 |
3.6 |
LDR 50-25 |
0.125 |
3.7 |
LDR 50-30 |
0.15 |
3.3 |
LDR 50-40 |
0.2 |
3.0 |
LDR 60-30 |
0.18 |
3.3 |
LDR 60-35 |
0.21 |
3.0 |
LDR 70-40 |
0.28 |
3.1 |
LDR 80-50 |
0.40 |
3.6 |
LDR 100-50 |
0.50 |
3.6 |
|
|
|
Pressure drop calculation for rectangular silencers These calculations apply only if the silencer is connected to a duct at both ends. Example: Calculation of pressure drop for the LDR 60-35 (with dan model RSI 60-35 M3~) using the diagram to the right. 1. Start by defining the front area, see the table below. 2. Move horizontally to the right until you reach the designated air flow in diagram B. 3. Go up vertically to diagram A and the correct p value (see the table). 4. Then continue horizontally to the left and read off the pressure drop. In this example, the pressure drop is 27 Pa.
Noise suppression dB (mid-frequency Hz) |
|
125 | 250 | 500 | 1k | 2k | 4k | 8k |
LDR 30-15 |
7 |
15 |
18 |
25 |
25 |
19 |
19 |
LDR 40-20 |
5 |
9 |
15 |
23 |
16 |
12 |
10 |
LDR 50-25 |
10 |
15 |
25 |
25 |
20 |
15 |
12 |
LDR 50-30 |
8 |
15 |
20 |
31 |
17 |
14 |
11 |
LDR 60-30 |
8 |
15 |
20 |
31 |
17 |
14 |
11 |
LDR 60-35 |
7 |
13 |
17 |
18 |
13 |
10 |
8 |
LDR 70-40 |
7 |
11 |
14 |
14 |
10 |
8 |
6 |
LDR 80-50 |
6 |
8 |
10 |
11 |
8 |
6 |
3 |
LDR 100-50 |
6 |
8 |
10 |
11 |
8 |
6 |
3 |
B | H | |
LDR 30-15 |
300 |
150 |
LDR 40-20 |
400 |
200 |
LDR 50-25 |
500 |
250 |
LDR 50-30 |
500 |
300 |
LDR 50-40 |
500 |
400 |
LDR 60-30 |
600 |
300 |
LDR 60-35 |
600 |
350 |
LDR 70-30 |
700 |
300 |
LDR 70-40 |
700 |
400 |
LDR 80-40 |
800 |
400 |
LDR 80-50 |
800 |
500 |
LDR 90-30 |
900 |
300 |
LDR 100-50 |
1000 |
500 |
LDR 110-30 |
1100 |
300 |
LDR 120-50 |
1200 |
500 |